<template>
<div>
  <!-- Two-way Data-Binding -->
  <quill-editor
    ref='myQuillEditor'
    v-model="baseData"
    :options="editorOption"
    @blur="onEditorBlur($event)"
    @focus="onEditorFocus($event)"
    @ready="onEditorReady($event)"
  />
    <form action method="post" enctype="multipart/form-data" id="uploadFormMulti">
      <input
        ref="imgUp"
        style="display: none"
        type="file"
        name="file"
        accept="image/jpg, image/jpeg, image/png"
        @change="uploadImg"
      />
    </form>
</div>

</template>
<script>
import 'quill/dist/quill.core.css'
import 'quill/dist/quill.snow.css'
import 'quill/dist/quill.bubble.css'

import { quillEditor } from 'vue-quill-editor'
export default {
  components: {
    quillEditor
  },
  data () {
    return {
      baseData: this.content, // 富文本内容，子组件中不能修改父组件传够来的值，否则会把错，虽然一样能用。所以在data中定义一个值来接收父组件的值。
      // 富文本编辑器默认内容
      // 富文本编辑器配置
      editorOption: {
        modules: {
          // 工具栏定义的
          toolbar: [
            ['bold', 'italic', 'underline', 'strike'], // 加粗 斜体 下划线 删除线 -----['bold', 'italic', 'underline', 'strike']
            ['blockquote', 'code-block'], // 引用  代码块-----['blockquote', 'code-block']
            [{ header: 1 }, { header: 2 }], // 1、2 级标题-----[{ header: 1 }, { header: 2 }]
            [{ list: 'ordered' }, { list: 'bullet' }], // 有序、无序列表-----[{ list: 'ordered' }, { list: 'bullet' }]
            [{ script: 'sub' }, { script: 'super' }], // 上标/下标-----[{ script: 'sub' }, { script: 'super' }]
            [{ indent: '-1' }, { indent: '+1' }], // 缩进-----[{ indent: '-1' }, { indent: '+1' }]
            [{ direction: 'rtl' }], // 文本方向-----[{'direction': 'rtl'}]
            [{ size: ['small', false, 'large', 'huge'] }], // 字体大小-----[{ size: ['small', false, 'large', 'huge'] }]
            [{ header: [1, 2, 3, 4, 5, 6, false] }], // 标题-----[{ header: [1, 2, 3, 4, 5, 6, false] }]
            [{ color: [] }, { background: [] }], // 字体颜色、字体背景颜色-----[{ color: [] }, { background: [] }]
            [{ font: [] }], // 字体种类-----[{ font: [] }]
            [{ align: [] }], // 对齐方式-----[{ align: [] }]
            ['clean'], // 清除文本格式-----['clean']
            ['image'] // 链接、图片、视频-----['link', 'image', 'video']
          ]
        },
        // 主题
        theme: 'snow',
        placeholder: '请输入正文'
      }
    }
  },
  props:[
    'content'
  ],
  computed: {
    // 当前富文本实例
    editor () {
      return this.$refs.myQuillEditor.quill
    }
  },
  methods: {
    // 失去焦点事件
    onEditorBlur (quill) {
      console.log('editor blur!', quill)
      let myed = this.$refs.myQuillEditor.quill
      console.log(myed)
    },
    // 获得焦点事件
    onEditorFocus (quill) {
      console.log('editor focus!', quill)
    },
    // 准备富文本编辑器
    onEditorReady (quill) {
      console.log('editor ready!', quill)
    },
    // 内容改变事件
    onEditorChange ({ quill, html, text }) {
      console.log('editor change!', quill, html, text)
      this.baseData = html
    },
    // 在文本框中上传图片的回调 已经触发上传
    uploadImg: async function (file) {
      let _this = this
      let imgData = file.srcElement.files[0] // 采用了单张图片上传模式，所以只需要取第一个值即可，如果是允许多图上传则需循环出对象
      // 到此应该发起上传api 接收成功或者失败信息，成功则将成功后的图片路径显示到文本框中，失败则弹出错误信息。
      // 上传文件成功之后在富文本中回显(显示)
      let Range = _this.editor.getSelection()
      _this.editor.insertEmbed(
        Range != null ? Range.index : 0,
        'image',
        // 实际应用中后台传回的图片在服务器中存好的地址
        'https://fuss10.elemecdn.com/3/63/4e7f3a15429bfda99bce42a18cdd1jpeg.jpeg?imageMogr2/thumbnail/360x360/format/webp/quality/100'
      )
      // 成功之后,将文件的文本框的value置空
      _this.$refs.imgUp.value = ''
      console.log(imgData)
    }
  },
  mounted () {
    var _this = this
    var imgHandler = async function (image) {
      if (image) {
        var fileInput = _this.$refs.imgUp // 获取上传图片框对象
        fileInput.click() // 加一个触发事件触发上传
      }
    }
    _this.editor.getModule('toolbar').addHandler('image', imgHandler)
  }
}
</script>

<style>
.editor {
  line-height: normal !important;
}
.ql-snow .ql-tooltip[data-mode="link"]::before {
  content: "请输入链接地址:";
}
.ql-snow .ql-tooltip.ql-editing a.ql-action::after {
  border-right: 0px;
  content: "保存";
  padding-right: 0px;
}

.ql-snow .ql-tooltip[data-mode="video"]::before {
  content: "请输入视频地址:";
}

.ql-snow .ql-picker.ql-size .ql-picker-label::before,
.ql-snow .ql-picker.ql-size .ql-picker-item::before {
  content: "14px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="small"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="small"]::before {
  content: "10px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="large"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="large"]::before {
  content: "18px";
}
.ql-snow .ql-picker.ql-size .ql-picker-label[data-value="huge"]::before,
.ql-snow .ql-picker.ql-size .ql-picker-item[data-value="huge"]::before {
  content: "32px";
}

.ql-snow .ql-picker.ql-header .ql-picker-label::before,
.ql-snow .ql-picker.ql-header .ql-picker-item::before {
  content: "文本";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="1"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="1"]::before {
  content: "标题1";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="2"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="2"]::before {
  content: "标题2";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="3"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="3"]::before {
  content: "标题3";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="4"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="4"]::before {
  content: "标题4";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="5"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="5"]::before {
  content: "标题5";
}
.ql-snow .ql-picker.ql-header .ql-picker-label[data-value="6"]::before,
.ql-snow .ql-picker.ql-header .ql-picker-item[data-value="6"]::before {
  content: "标题6";
}

.ql-snow .ql-picker.ql-font .ql-picker-label::before,
.ql-snow .ql-picker.ql-font .ql-picker-item::before {
  content: "标准字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="serif"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="serif"]::before {
  content: "衬线字体";
}
.ql-snow .ql-picker.ql-font .ql-picker-label[data-value="monospace"]::before,
.ql-snow .ql-picker.ql-font .ql-picker-item[data-value="monospace"]::before {
  content: "等宽字体";
}
.editor .ql-container {
  height: 450px;
  overflow-y: auto;
}
</style>
